Install your Norton product

Your Norton product is supported only on Mac OS X 10.7.5 (Lion) or later. If your Mac runs on OS X 10.6 or earlier, upgrade your Mac operating system to the supported version.

Before you install your Norton product, Symantec recommends that you click Norton License Agreement and read your product license agreement.

Install Norton on Mac OS X 10.7.5 (Lion) to OS X 10.12.x (Sierra)

  1. Click Agree & Install.

  2. When prompted, type your administrator account password, and then click Install Helper.

  3. When the installation completes, click Restart.

    Your product installation completes after you restart your Mac.

Install Norton on macOS High Sierra 10.13.x or later

  1. Click Agree & Install.

  2. When prompted, type your administrator account password, and then click Install Helper.

  3. When the installation completes, click Restart.

  4. After you restart your Mac, in the Norton Security Installation window, click Open Now.

  5. Do any one of the following:

    • Click Allow corresponding to the Symantec message.

    • If you have multiple software or vendor installed on your Mac that requires your authorization, then you see Some system software was blocked from loading message instead of Symantec message. In that case, click Allow, select Symantec in the list, and then click OK.

  6. Click Restart to complete the installation process.

Thank you!

Thank you for using Norton Support.

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DOCID: v100803770_nsmac_retail_en_us
Operating System: Mac OS X
Last modified: 09/06/2017